23291955 has 60 divisors (see below), whose sum is σ = 44576400. Its totient is φ = 11632896.

The previous prime is 23291953. The next prime is 23291969. The reversal of 23291955 is 55919232.

It is a happy number.

It is not a de Polignac number, because 23291955 - 2¹ = 23291953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23291953) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 116946 + ... + 117144.

It is an arithmetic number, because the mean of its divisors is an integer number (742940).

Almost surely, 2^23291955 is an apocalyptic number.

23291955 is a deficient number, since it is larger than the sum of its proper divisors (21284445).

23291955 is a wasteful number, since it uses less digits than its factorization.

23291955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 224 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 23291955 is about 4826.1739504498. The cubic root of 23291955 is about 285.5849481863.

The spelling of 23291955 in words is "twenty-three million, two hundred ninety-one thousand, nine hundred fifty-five".